1344557916 has 108 divisors (see below), whose sum is σ = 3799548480. Its totient is φ = 400308480.

The previous prime is 1344557849. The next prime is 1344557941. The reversal of 1344557916 is 6197554431.

1344557916 is a `hidden beast` number, since 1 + 3 + 4 + 4 + 557 + 91 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 185040 + ... + 192168.

Almost surely, 2^1344557916 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1344557916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1899774240).

1344557916 is an abundant number, since it is smaller than the sum of its proper divisors (2454990564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1344557916 is a wasteful number, since it uses less digits than its factorization.

1344557916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7196 (or 7178 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 1344557916 is about 36668.2139734130. The cubic root of 1344557916 is about 1103.7223525962.

The spelling of 1344557916 in words is "one billion, three hundred forty-four million, five hundred fifty-seven thousand, nine hundred sixteen".